execute automated external browser tests

[sfc-gh-akolodziejczyk]

Description

Please explain the changes you made here.

Checklist

• [ ] Format code according to the existing code style (run npm run lint:check -- CHANGED_FILES and fix problems in changed code)
• [ ] Create tests which fail without the change (if possible)
• [ ] Make all tests (unit and integration) pass (npm run test:unit and npm run test:integration)
• [ ] Extend the README / documentation and ensure is properly displayed (if necessary)
• [ ] Provide JIRA issue id (if possible) or GitHub issue id in commit message